Leo vs Thorbjørn
Leo and Thorbjørncompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
Norway · Boys
In 2025, Leo was ranked #28 and Thorbjørn #366 among boys in Norway.
Leo and Thorbjørn over time
Leo and Thorbjørn appear together in 1 published list, across 51 years of shared records. Leo held the stronger position in more years in 1 of them, Thorbjørn in 0.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
Thorbjørn reached its own highest recorded position earlier in 1 of those lists, and Leo in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- Repeatedly exchanged positions
Leo and Thorbjørn changed places 7 times in Norway · Boys between 1947 and 2025, ending at #28 and #366.
- Longest-running competitions
Leo and Thorbjørn were both ranked in Norway · Boys for 51 years, from 1947 to 2025, ending at #28 and #366.
List by list
Norway · Boys51 shared years, 1947–2025
Leo held the stronger position in 29 of those years, Thorbjørn in 22.
Highest recorded here: Leo #28 in 2025, Thorbjørn #118 in 1953.
The order changed in 1998: Leo moved ahead. In 1997 they stood at #330 and #307; by 1998 that had become #291 and #591.
Most recent shared year, 2025: Leo #28, Thorbjørn #366.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Where to go next
Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.
Other comparisons involving Leo
Pairs where Leo shares a published list with another name, each measured inside one registrar's own list.
- Leo vs Keith
In 1964 they stood at #101 and #96 in Republic of Ireland · Boys, 5 places apart; by 2025 they were #10 and #577.
Leo · Keith · 59 shared years, 1964–2025 · Started together, ended far apart
- Leo vs Jonathan
Over 62 shared years in Republic of Ireland · Boys, Leo rose about as far as Jonathan fell — from #101 and #125 in 1964 to #10 and #223 in 2025.
Leo · Jonathan · 62 shared years, 1964–2025 · Mirrored each other
- Leo vs Marcus
Over 62 shared years in Republic of Ireland · Boys, Leo rose about as far as Marcus fell — from #101 and #136 in 1964 to #10 and #232 in 2025.
Leo · Marcus · 62 shared years, 1964–2025 · Mirrored each other
- Leo vs Shane
Over 62 shared years in Republic of Ireland · Boys, Leo rose about as far as Shane fell — from #101 and #75 in 1964 to #10 and #152 in 2025.
Leo · Shane · 62 shared years, 1964–2025 · Mirrored each other
Side by side
| Field | Leo | Thorbjørn |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Lion. | Not yet recorded |
| Origin | Latin | Not yet recorded |
| Pronunciation | /ˈliːoʊ/ | Not yet recorded |
| Syllables | 1 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | NO |
| Most recent popularity observation | New South Wales, Australia · Boys #5 (2025) | Norway · Boys #366 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 70/100 |
| International familiarity (demonstration score) | 100/100 | 40/100 |
| Data Confidence | medium | medium |
What the data shows
- Leo has a recorded origin (Latin); Thorbjørn does not have one recorded yet.
- Leo and Thorbjørn both have 1 syllable.
- A meaning is recorded for Leo; Thorbjørn doesn't have one written yet.
- Both names have recorded usage in NO.
How each name got here
Leo
Popularity journey
First recorded1947
First recorded at #303 among boys in Norway in 1947 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2009–2025
Highest recorded position: #3 among boys in New South Wales, Australia, in 2022 (recorded 2009–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #5 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Thorbjørn
Popularity journey
First recorded1945
First recorded at #148 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded1945–2025
Highest recorded position: #112 among boys in Norway, in 1949 (recorded 1945–2025).
Norway · Boys
Most recent2025
Most recently recorded at #366 among boys in Norway, in 2025.
Norway · Boys